<span>If mass remains the same while the volume of a substance increases, the density of the substance will decrease. The increase in the volume is called expansion, while the decrease in the volume is called contraction.
</span><span>The density measures how much matter (mass) there is in a given amount of space (volume). So, if the mass stays the same and the volume increases then there is the same amount of mass ad before but in bigger volume so the density is decreased. </span>
The answer is letter D. He was not taking things
seriously. He had a care-free attitude
that irked the faculty. The carnation he
wore also added an air of arrogance that caused the faculty grill him. Yet despite the harsh treatment he got from
the faculty, Paul remained calm under the pressure.
This type of belief is called Naturalism. It is a philosophical belief in realism/reality, that only what we can physically see and explain is real and true. A modern view point would be that if something cannot be proved scientifically then it does not exist and that is naturalism.
The October Revolution would not have taken place without the prior experience of the Russian revolution of 1905.
